Letter (Astounding Stories of Super-Science, April 1930)

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Overview:

Title: Letter (Astounding Stories of Super-Science, April 1930)
Author: R. O. Marks, Jr.
Year: 1930
Type: Essays

Editions/Publications:

Unknown. Astounding Stories of Super-Science, April 1930 (Unknown, R. O. Marks, Jr., Publishers' Fiscal Corp, $0.20, 144 pages, pulp, MAGAZINE)